Celesteela @ Leftovers
Ability: Beast Boost
EVs: 248 HP / 104 Def / 156 SpD
Relaxed Nature
- Leech Seed
- Protect
- Heavy Slam
- Flamethrower
Celesteela is probably one of the best counter to M-Alakazam in the actual metagame (bar pursuit users), for many reasons. first of all, it can take every moves from the Zam's movepool, and so it can check its moveset. Unlike mons like M-Zor or Gliscor, which are weak to some hp tech from M-Zam, Celesteela is only 3hko with hp fire/focus blast, and can heal itself with protect and leech seed. At last, Celesteela's powerfull stab, Heavy Slam 2hko all Zam spread variants, preventing it to heal itself with Recover. CM focus blast can be a problem, but as long as Celesteela hits with leech seed, it still win the 1v1.
0 Atk Celesteela Heavy Slam (120 BP) vs. 120 HP / 0 Def Alakazam-Mega: 186-219 (66.1 - 77.9%) -- guaranteed 2HKO
252 SpA Alakazam-Mega Hidden Power Fire vs. 248 HP / 156 SpD Celesteela: 140-166 (35.2 - 41.8%) -- 82.9% chance to 3HKO after Leftovers recovery
252 SpA Alakazam-Mega Focus Blast vs. 248 HP / 156 SpD Celesteela: 140-165 (35.2 - 41.5%) -- 80.6% chance to 3HKO after Leftovers recovery
+1 252 SpA Alakazam-Mega Focus Blast vs. 248 HP / 156 SpD Celesteela: 209-246 (52.6 - 61.9%) -- 98.8% chance to 2HKO after Leftovers recovery